New details emerge in Lone Star College stabbings, suspect's history

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April 10, 2013 4:56:52 PM PDT

HOUSTON --

The Lone Star College Cy-Fair campus is back open while investigators are working to figure out why a student slashed 14 people there on Tuesday. Investigators are piecing together a motive behind the attack at the school on Barker Cypress, and there are new clues that the suspect may be mentally unstable.

Investigators say stabbing suspect Dylan Quick fantasized for years about this attack. They say he first started thinking about it when he was just 8 years old.

According to detectives, Quick, 20, had planned his Lone Star College rampage for some time. They say he chose his victims at random.

"We don't know what the impetus was for this incident. We have heard in other circumstances where bullying may have been a contributing factor," said Harris County Sheriff Adrian Garcia.

The attacks happened just after 11am Tuesday inside both the first and second floor of the school's Health Sciences building. Deputies confirm witness accounts that Quick used a razor utility knife of some kind and that he was in possession of spare blades. Portions of the chaos were caught on college surveillance cameras.

"It is something you can't predict. Everything happened just so quick," said witness James Ahssanipoor, who helped stop the suspect.

Ahssanipoor showed us video from inside the halls. You can sense the confusion, the chaos. At one point you can see someone point toward the direction where Quick ran. Then you can see Ahssanipoor run that way past a police officer.

Authorities say the first 911 call came in at 11:13am and they tell us they responded within four minutes. But Ahssanipoor and others got to Quick first. He showed us how he grabbed Quick from behind.

"I grabbed him from here. He has a back pack. You fall back on the ground. I come up and step my foot right here on him," he showed us.

Ahssanipoor admits he had help of at least two other Lone Star College students. He says Quick put up no further fight, saying only that he was deaf. Moments later, Quick was cuffed by police.

Quick is to undergo a psychological evaluation and is scheduled to appear in court for the first time on Thursday. He is charged with three counts of aggravated assault.

New details are also coming out about Quick. Texas Equusearch says they were called by his parents to search for him after he went missing two years ago.

According to an Equusearch report from January 2011, Quick's parents said their son disappeared after saying he was depressed and wanting to commit suicide. He was later found on the Lone Star College Cy-Fair campus, staying inside a tent.

As for the victims, only two remain in the hospital, but we're told they're now in good condition. Three others were released Wednesday after being slashed.

Students got back into the classroom and some told they're more nervous now after Quick went on a stabbing spree injuring 14 people. While the lives of a majority of students appear back to normal at school, Andrea Cervantes, one of the stabbing victims, is just getting back home from the hospital.

She had just finished an anatomy test Tuesday when she says Quick stabbed her in a hallway.

"He went like this to me and I thought he punched me. I thought he punched me in my neck. I had no idea I was stabbed. I really thought he just punched me that's what it felt like. As soon as he did it, he ran," she told Eyewitness News.

Cervantes has five stitches in her neck. She's sore and she told us she's thankful her injuries aren't worse. After she was stabbed, Cervantes called her mom in California to tell her what happened. She says it was a frantic and terrifying 24 hours for their family.

Stay with Eyewitness News and abc13.com for the latest on this story.

Alleged college stabber taken to mental hospital

The man behind a series of stabbings at Lone Star College in Cy-Fair yesterday is now at a mental hospital, and authorities say he told them he had been planning the attack "for some time."

Dylan Andrew Quick, 20, was scheduled to appear in front of judge for the first time overnight, but he's considered a mental health patient and was not brought to court.

"The defendant gave a videotaped confession, admitting he stabbed complainants multiple times with an exacto knife because of his fantasy to kill people," read a judge in probable cause court overnight.

Harris County Sheriff Adrian Garcia says Quick told investigators that he's thought of stabbing someone since he was eight years old. Quick also reportedly told them he had been planning this attack "for some time." It's not clear just how long that may have been. However, the victims were chosen at random and there's no clear motive for the attack.

Quick is charged with three counts of Aggravated Assault with a Deadly Weapon, though he's accused of injuring more than a dozen people yesterday. He's being held without bond.

The violence broke out about 11:13am at the rear of the Health Sciences Building on the Cy-Fair campus on Barker Cypress Road. Within minutes, the suspect was stopped in his tracks by quick-thinking witnesses.

Cell phone video shows the moment students and faculty members chased down Quick and then wrestled him to the ground. He laid on the grass with his hands up, mumbling, 'I'm deaf. I'm deaf," as deputies handcuffed him.

No one was killed in this attack with a razor utility knife, but seconds after Quick was arrested, one eyewitness told us he showed little remorse and appeared happy with the results of his rampage.

"He said he had a sinister look on his face kind of a smile and a satisfaction grin after doing it," said eyewitness Michael Chalfan.

Quick was born deaf, Sheriff Garcia confirmed. Campus officials say he was a good student.

The Harris County Sheriff's Office confirmed there were 14 victims total. Four patients were taken by Life Flight to Memorial Hermann Texas Trauma Institute and two more patients were transported by ground ambulance.

An official from Memorial Hermann Texas Trauma Institute said five of patients transported there following yesterday's attack have been upgraded to good condition. The sixth was released yesterday.

The remainder were taken to North Cypress Hospital, and two people refused treatment at the scene. North Cypress Hospital officials say all of the patients treated there had non-life threatening injuries and have been released.

Authorities say the investigation is an ongoing situation. The campus is back open for classes today. Counselors are on hand for students who need them.

Stay with ABC13 Eyewitness News and abc13.com for the latest on the Lone Star College stabbings. ___________________________________________________________